{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/united-states-coast-guard/main/json-schema/cgmix-vessel-schema.json",
  "title": "CGMIX Vessel",
  "description": "Schema for a U.S. Coast Guard documented vessel record from the CGMIX Maritime Information Exchange",
  "type": "object",
  "properties": {
    "vesselId": {
      "type": "string",
      "description": "Official vessel number assigned by the USCG National Vessel Documentation Center"
    },
    "vesselName": {
      "type": "string",
      "description": "Registered name of the vessel"
    },
    "flag": {
      "type": "string",
      "description": "Flag state under which the vessel is registered",
      "example": "USA"
    },
    "hullIdentificationNumber": {
      "type": "string",
      "description": "Hull Identification Number (HIN) assigned by manufacturer"
    },
    "vesselType": {
      "type": "string",
      "description": "Classification type of the vessel",
      "enum": [
        "Cargo",
        "Tanker",
        "Passenger",
        "Fishing",
        "Tug",
        "Barge",
        "Pleasure",
        "Research",
        "Other"
      ]
    },
    "grossTons": {
      "type": "number",
      "description": "Gross tonnage of the vessel",
      "minimum": 0
    },
    "netTons": {
      "type": "number",
      "description": "Net tonnage of the vessel",
      "minimum": 0
    },
    "length": {
      "type": "number",
      "description": "Overall length of the vessel in feet",
      "minimum": 0
    },
    "breadth": {
      "type": "number",
      "description": "Beam (breadth) of the vessel in feet",
      "minimum": 0
    },
    "depth": {
      "type": "number",
      "description": "Hull depth of the vessel in feet",
      "minimum": 0
    },
    "draft": {
      "type": "number",
      "description": "Maximum operating draft in feet",
      "minimum": 0
    },
    "propulsionType": {
      "type": "string",
      "description": "Primary method of propulsion",
      "enum": [
        "Diesel",
        "Steam",
        "Gas Turbine",
        "Electric",
        "Sail",
        "Unpowered"
      ]
    },
    "serviceType": {
      "type": "string",
      "description": "Service route classification",
      "enum": [
        "Coastwise",
        "Great Lakes",
        "International",
        "Inland",
        "Fishing"
      ]
    },
    "endorsements": {
      "type": "array",
      "description": "List of trade endorsements on vessel documentation",
      "items": {
        "type": "string"
      }
    },
    "ownerName": {
      "type": "string",
      "description": "Name of the registered vessel owner"
    },
    "homePort": {
      "type": "string",
      "description": "Home port as recorded on vessel documentation"
    }
  },
  "required": ["vesselId", "vesselName", "flag"]
}